aschelminth

asc hel minth |ˈaskhelˌminTH, ˈaSHhel- ˈæʃɛlmɪnθ | ▶noun ( pl. aschelminths or aschelminthes |ˌaskhelˈminTHēz, ˌaSHhel- | ) Zoology an invertebrate animal belonging to a group of phyla that are distinguished by the lack of a well-developed coelom and blood vessels. Most aschelminths are minute wormlike animals, including the nematode worms, rotifers, and water bears. [Phylum Nematoda and about seven minor phyla, formerly placed in a phylum Aschelminthes. ] ORIGIN from modern Latin Aschelminthes (former phylum name ), from Greek askos ‘sac ’ + helminth ‘worm ’ (from the former belief that animals of this group had a fluid-filled internal sac ).

aschelminth

aschelminth |ˈaʃhɛlmɪnθ, ˈask- | ▶noun ( pl. aschelminths or aschelminthes ) Zoology an invertebrate animal belonging to a group of phyla that are distinguished by the lack of a well-developed coelom and blood vessels. Most are minute worm-like animals, including the nematodes, rotifers, and water bears. ●Phylum Nematoda and about seven minor phyla, formerly placed in a phylum Aschelminthes. ORIGIN from modern Latin Aschelminthes (former phylum name ), from Greek askos ‘sac ’ + helminth ‘worm ’ (from the former belief that animals of this group had a fluid-filled internal sac ).